CBSE Class 10 Maths (Basic) 2023 · Paper 430/C/1 · Question 31
In the given figure, two concentric circles are shown, centred at O. The radii of the circles are cm and cm. Find perimeter of the shaded region. (Use )
Answer
Perimeter of the shaded region cm.
🔒 Step-by-step solution
Sign up free to see every step of how it is worked out.
From the board paper
More questions from Areas Related to Circles
Class 10 Maths — every question with an expert-verified, step-by-step solution.
- Q1 Find the area of a sector of a circle with radius 6 cm if angle o…
- Q2 Find the area of a quadrant of a circle whose circumference is 22…
- Q3 The length of the minute hand of a clock is 14 cm. Find the are…
- Q4 A chord of a circle of radius 10 cm subtends a right angle at the…
- Q5 In a circle of radius 21 cm, an arc subtends an angle of 60° at th…
- Q6 A chord of a circle of radius 15 cm subtends an angle of 60° at the…
- Q7 A chord of a circle of radius 12 cm subtends an angle of 120° a…
- Q8 A horse is tied to a peg at one corner of a square shaped grass fiel…
- Q9 A brooch is made with silver wire in the form of a circle with d…
- Q10 An umbrella has 8 ribs which are equally spaced (see Fig. 11.10).…
- Q11 A car has two wipers which do not overlap. Each wiper has a blade o…
- Q12 To warn ships for underwater rocks, a lighthouse spreads a red col…
All 306 questions on Areas Related to Circles → Browse all Maths chapters →